1. Uninstall unwanted programs: Go to ‘Control Panel’ > ‘Programs and Features’, select the unwanted program and click ‘Uninstall’.
2. Disk Cleanup: Use the built-in Windows Disk Cleanup utility to remove temporary files, system files, and other unnecessary items from your hard drive.
3. Delete temporary files: Go to ‘My Computer’ > ‘Local Disk’ > ‘Program Files’ > ‘Temporary Internet Files’, select all the files and delete them.
4. Check for malware: Run a full system scan with a reputable anti-malware program like Malwarebytes to detect and remove malicious files.
5. Update software: Make sure that you have the latest version of all the programs on your computer. You can usually find the newest versions on the official websites.
6. Optimize your startup programs: Some programs automatically run when your computer starts up. Disable these programs to improve performance and decrease bootup time.